Cook spinach according to package directions; drain well.,Spread spinach over bottom of lightly greased 13x9-inch baking dish.,Cook noodles according to package directions; drain.,While noodles are cooking melt butter in medium saucepan; blend in flour until smooth.,Add milk, salt, and pepper; cook and stir over medium heat until mixture thickens and boils.,______,Add SPAM(R) and peas or mixed vegetables.,Combine sauce and noodles; pour over spinach.,Sprinkle with paprika.,Cover and bake in 375°F oven 20 minutes.,Uncover and bake 20 minutes longer.